Part Number:
d:
D:
B:
  • 31300 Series Tapered Roller Bearing
  • 31300 Series Tapered Roller Bearing

Dimension and Parameters

Designation :31311J2/QCL7C
Principal dimensions(mm)
d1 :55
D :120
B :31,5
Basic load ratings(KN)
dyc(Cr) :140
stc(Cor) :137
Pu :16,6
Speed ratings(rpm)
Speed Ratings :4300
Limiting Speed :5600
Weight(Kg) :1,55
ISO335 
Dimensions (ABMA) :7FB
Dimensions (mm)
d :55
d1~ :88,4
B :29
C :21
r1,2(min) :2,5
r3,4(min) :2
a :37
Abutment and fillet dimensions (mm)
da(max) :68
db(min) :65
Da(min) :94
Da(max) :112
Db(min) :113
Ca(min) :4
Cb(min) :10,5
ra(max) :2
rb(max) :2
Value
e :0,83
Y :0,72
Yo :0,4